[INFO] fetching crate gst-plugin-webrtc-signalling 0.10.7...
[INFO] checking gst-plugin-webrtc-signalling-0.10.7 against master#6162f6f12339aa81fe16b8a64644ead497e411b2 for pr-113240
[INFO] extracting crate gst-plugin-webrtc-signalling 0.10.7 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate gst-plugin-webrtc-signalling 0.10.7 on toolchain 6162f6f12339aa81fe16b8a64644ead497e411b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gst-plugin-webrtc-signalling 0.10.7
[INFO] finished tweaking crates.io crate gst-plugin-webrtc-signalling 0.10.7
[INFO] tweaked toml for crates.io crate gst-plugin-webrtc-signalling 0.10.7 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate gst-plugin-webrtc-signalling 0.10.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v4.2.7
[INFO] [stderr]   Downloaded gst-plugin-webrtc-signalling-protocol v0.10.0
[INFO] [stderr]   Downloaded cpufeatures v0.2.7
[INFO] [stderr]   Downloaded clap_lex v0.4.1
[INFO] [stderr]   Downloaded serde v1.0.162
[INFO] [stderr]   Downloaded tempfile v3.5.0
[INFO] [stderr]   Downloaded test-log v0.2.11
[INFO] [stderr]   Downloaded serde_derive v1.0.162
[INFO] [stderr]   Downloaded uuid v1.3.2
[INFO] [stderr]   Downloaded getrandom v0.2.9
[INFO] [stderr]   Downloaded openssl-sys v0.9.87
[INFO] [stderr]   Downloaded openssl v0.10.52
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.7
[INFO] [stderr]   Downloaded regex-syntax v0.7.1
[INFO] [stderr]   Downloaded regex v1.8.1
[INFO] [stderr]   Downloaded tokio v1.28.0
[INFO] [stderr]   Downloaded syn v2.0.15
[INFO] [stderr]   Downloaded libc v0.2.144
[INFO] [stderr]   Downloaded clap_builder v4.2.7
[INFO] [stderr]   Downloaded proc-macro2 v1.0.56
[INFO] [stderr]   Downloaded tungstenite v0.19.0
[INFO] [stderr]   Downloaded io-lifetimes v1.0.10
[INFO] [stderr]   Downloaded data-encoding v2.3.3
[INFO] [stderr]   Downloaded async-tungstenite v0.22.1
[INFO] [stderr]   Downloaded clap_derive v4.2.0
[INFO] [stderr]   Downloaded quote v1.0.27
[INFO] [stderr]   Downloaded tracing-attributes v0.1.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0f1b0810149bcc1894c2c5cba26986ed7e25a1aec3fcd97580a2729147b60ed
[INFO] running `Command { std: "docker" "start" "-a" "b0f1b0810149bcc1894c2c5cba26986ed7e25a1aec3fcd97580a2729147b60ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0f1b0810149bcc1894c2c5cba26986ed7e25a1aec3fcd97580a2729147b60ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0f1b0810149bcc1894c2c5cba26986ed7e25a1aec3fcd97580a2729147b60ed", kill_on_drop: false }`
[INFO] [stdout] b0f1b0810149bcc1894c2c5cba26986ed7e25a1aec3fcd97580a2729147b60ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb588ad0faf8b5977ad9d4a8627c09dcca29d958b59e9500fbcbc28e0650aebb
[INFO] running `Command { std: "docker" "start" "-a" "eb588ad0faf8b5977ad9d4a8627c09dcca29d958b59e9500fbcbc28e0650aebb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling openssl-sys v0.9.87
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling openssl v0.10.52
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking linux-raw-sys v0.3.7
[INFO] [stderr]    Compiling serde_derive v1.0.162
[INFO] [stderr]    Compiling tokio v1.28.0
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling serde v1.0.162
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking anstyle-parse v0.2.0
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking clap_lex v0.4.1
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "eb588ad0faf8b5977ad9d4a8627c09dcca29d958b59e9500fbcbc28e0650aebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb588ad0faf8b5977ad9d4a8627c09dcca29d958b59e9500fbcbc28e0650aebb", kill_on_drop: false }`
[INFO] [stdout] eb588ad0faf8b5977ad9d4a8627c09dcca29d958b59e9500fbcbc28e0650aebb